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Almathera Ten Pack 2: CDPD 1
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Almathera Ten on Ten - Disc 2: CDPD 1.iso
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pd
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026-050
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049
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plot
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formula2.c
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C/C++ Source or Header
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1995-03-13
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5KB
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154 lines
/* formula2.c -- open a window to get formula,
close it, and proceed as directed.... */
#define FWX 300 /* Formula Window Size */
#define FWY 70
#define CAN_GAD 0
#define OK_GAD 1
extern char z[30];
extern struct TextAttr TestFont;
/* define ok and cancel gadgets */
struct IntuiText ok_text = {3,2,JAM2,0,2,NL,(UBYTE *) " OK ",NL};
struct IntuiText can_text = {3,2,JAM2,0,2,NL,(UBYTE *) "Cancel",NL};
struct Gadget can_gadget = {
NL, 230,50, 60,11, GADGHCOMP, RELVERIFY,
BOOLGADGET, NL, NL,
&can_text, NL,NL, CAN_GAD, NL };
struct Gadget ok_gadget = {
&can_gadget, 230,30, 60,11, GADGHCOMP, RELVERIFY,
BOOLGADGET, NL, NL,
&ok_text, NL,NL, OK_GAD, NL };
/* define formula gadget */
#define FORMULASIZE 30
USHORT FormulaVectors[] = {
-1,-1,
182,-1,
182, 12,
-1, 12,
-1, -1,
};
struct Border FormulaBorder = {
-1, -1, /* initial offsets, gadget relative */
1, 0, JAM1, /* pens (fore, back) and drawmode */
5, /* number of vectors */
FormulaVectors, /* pointer to the actual array of vectors */
NULL /* no next Border, can point to another border */
};
/* default text */
UBYTE FormulaBuffer[FORMULASIZE] = "COS(x)*COS(y)";
UBYTE UndoFormulaBuffer[FORMULASIZE];
struct StringInfo FormulaInfo = {
FormulaBuffer, /* pointer to I/O buffer */
UndoFormulaBuffer, /* pointer to undo buffer */
0, /* buffer position */
FORMULASIZE, /* max number of chars, including NULL */
0, 0, /* first char in display, undo positions */
14, /* number of chars (currently) in the buffer */
0, 0, 0, /* position variables calculated by Intuition */
NULL, /* no pointer to RastPort */
0, /* not a LongInt string gadget */
NULL /* no pointer to alternate keymap */
};
struct IntuiText FormulaText = {
2, 2, /* FrontPen, BackPen */
JAM1, /* DrawMode */
-101, 0, /* LeftEdge, TopEdge (relative to gadget) */
&TestFont, /* pointer to TextFont */
(UBYTE *) "Formula: ", /* pointer to Text */
NL /* no pointer to NextText */
};
#define FORMULA_GAD 2
struct Gadget FormulaGadget = {
&ok_gadget, /* pointer to Next Gadget */
110, 10, 180, 11, /* (Left Top Width Height) Hit Box */
GADGHCOMP, /* Flags */
RELVERIFY, /* Activation flags */
STRGADGET, /* Type */
(APTR)&FormulaBorder, /* pointer to Border Image */
NL, /* no pointer to SelectRender */
&FormulaText, /* pointer to GadgetText */
NL, /* no MutualExclude */
(APTR)&FormulaInfo, /* pointer to SpecialInfo */
FORMULA_GAD, /* ID */
NL /* no pointer to special data */
};
/* Used to open a Window */
struct NewWindow NewFwin = {
10,65, FWX,FWY, 2,BCOL, NL, /* IDCMP set up AFTER CALL */
ACTIVATE | SMART_REFRESH,
&FormulaGadget,NL, NL, /* FirstGadget, CheckMark, Title */
NL,NL, /* MUST SET SCREEN AFTER OPENSCREEN!!! */
FWX,FWY,FWX,FWY, CUSTOMSCREEN }; /* MinW, MinH, MaxW, MaxH */
/********************************************************************
* formula(window)
* This is the meat. This routine opens the save window and
* retains control until the user selects the OK or CANCEL gadget.
* The calling arguement is a window pointer. That window
* is expected to have opened an IDCMP port, which save uses.
********************************************************************/
int formula(calling_window)
struct Window *calling_window;
{
struct Window *cW; /* save window handle */
FAST struct IntuiMessage *imsg;
FAST struct Gadget *igad;
FAST int class;
int confirmed;
BOOL stayhere;
/* Get screen from calling window */
NewFwin.Screen = calling_window->WScreen; /* NEED TO SET SCREEN!!! */
if ( ! (cW = (struct Window *)OpenWindow(&NewFwin)) ) {
return(FALSE); /* Oops... */
}
cW->UserPort = calling_window->UserPort;
ModifyIDCMP(cW, GADGETUP | GADGETDOWN);
stayhere=TRUE;
while (stayhere == TRUE) {
while (imsg=(struct IntuiMessage *)GetMsg(cW->UserPort)) {
class = imsg->Class;
ReplyMsg(imsg);
switch ( class ) {
case GADGETUP:
case GADGETDOWN:
igad =(struct Gadget *) imsg->IAddress;
switch ( igad->GadgetID ) {
case CAN_GAD:
confirmed=0;
stayhere=FALSE;
break;
case OK_GAD:
strcpy(z,FormulaBuffer);
confirmed=1;
stayhere=FALSE;
break;
case FORMULA_GAD:
strcpy(z,FormulaBuffer);
break;
}
}
}
}
cW->UserPort = NL;
CloseWindow(cW);
if (confirmed==1)
return(1);
else
return(0);
}